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238224369 = 379408123
BaseRepresentation
bin11100011001100…
…00001111110001
3121121021001101210
432030300033301
5441441134434
635345550333
75621605455
oct1614601761
9547231353
10238224369
11112520549
12679453a9
133a47b886
14238d2665
1515da9ee9
hexe3303f1

238224369 has 4 divisors (see below), whose sum is σ = 317632496. Its totient is φ = 158816244.

The previous prime is 238224361. The next prime is 238224377. The reversal of 238224369 is 963422832.

238224369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (238224361) and next prime (238224377).

It is not a de Polignac number, because 238224369 - 23 = 238224361 is a prime.

It is a super-2 number, since 2×2382243692 = 113501699970896322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238224361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39704059 + ... + 39704064.

It is an arithmetic number, because the mean of its divisors is an integer number (79408124).

Almost surely, 2238224369 is an apocalyptic number.

It is an amenable number.

238224369 is a deficient number, since it is larger than the sum of its proper divisors (79408127).

238224369 is an equidigital number, since it uses as much as digits as its factorization.

238224369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79408126.

The product of its digits is 124416, while the sum is 39.

The square root of 238224369 is about 15434.5187485713. The cubic root of 238224369 is about 619.9101231147.

The spelling of 238224369 in words is "two hundred thirty-eight million, two hundred twenty-four thousand, three hundred sixty-nine".

Divisors: 1 3 79408123 238224369